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Alternatives to the In-Tank Precipitation Process at the Savannah River Site, Aiken, South Carolina

The Department of Energy (DOE) intends to prepare a supplemental environmental impact statement (SEIS) on the proposed replacement of the in-tank precipitation (ITP) process at the Savannah River Site (SRS) near Aiken, South Carolina. The ITP process was intended to separate soluble high-activity radionuclides (for example, cesium, strontium, uranium, and plutonium) from liquid high-level radioactive waste before vitrifying the high-activity fraction of the waste in the Defense Waste Processing Facility and disposing of the low-activity fraction as saltstone in vaults at the SRS.